Originally posted by johnblommers
As a work-around, the user can drag the screen saver to the desired location. But this is not a documented procedure and I am not going to try this with Beta version software 
It works fine.
In theory, OS X should handle in the screensaver install location all by itself.. Drag a .saver (not goldfish) to the desktop and double click it...
The problem is that goldfish also must install some files in /Library/Application Support/